WTXS51 PGTW 150900 WARNING ATCG MIL 20S SIO 220315075740 2022031506 20S BILLY 004 01 265 09 SATL 040 T000 170S 0972E 055 T012 174S 0952E 050 R050 020 NE QD 030 SE QD 030 SW QD 020 NW QD R034 075 NE QD 090 SE QD 070 SW QD 040 NW QD T024 180S 0933E 045 R034 065 NE QD 080 SE QD 075 SW QD 040 NW QD T036 191S 0918E 040 R034 045 NE QD 075 SE QD 060 SW QD 030 NW QD T048 198S 0907E 035 R034 035 NE QD 060 SE QD 050 SW QD 020 NW QD T072 202S 0882E 030 AMP 036HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 048HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 072HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL CYCLONE 20S (BILLY) WARNING NR 004 1. TROPICAL CYCLONE 20S (BILLY) WARNING NR 004 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 150600Z --- NEAR 17.0S 97.2E MOVEMENT PAST SIX HOURS - 265 DEGREES AT 09 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY REPEAT POSIT: 17.0S 97.2E --- FORECASTS: 12 HRS, VALID AT: 151800Z --- 17.4S 95.2E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 030 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 070 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 250 DEG/ 10 KTS --- 24 HRS, VALID AT: 160600Z --- 18.0S 93.3E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY RADIUS OF 034 KT WINDS - 065 NM NORTHEAST QUADRANT 080 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 040 NM NORTHWEST QUADRANT VECTOR TO 36 HR POSIT: 230 DEG/ 09 KTS --- 36 HRS, VALID AT: 161800Z --- 19.1S 91.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT 075 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 030 NM NORTHWEST QUADRANT VECTOR TO 48 HR POSIT: 235 DEG/ 06 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 170600Z --- 19.8S 90.7E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 035 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 050 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT VECTOR TO 72 HR POSIT: 260 DEG/ 06 KTS --- 72 HRS, VALID AT: 180600Z --- 20.2S 88.2E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 150900Z POSITION NEAR 17.1S 96.7E. 15MAR22. TROPICAL CYCLONE 20S (BILLY), LOCATED APPROXIMATELY 291 NM SOUTH OF THE COCOS ISLANDS, AUSTRALIA, HAS TRACKED WESTWARD AT 09 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 150600Z IS 21 FEET. NEXT WARNINGS AT 152100Z AND 160900Z.// 2022031018 106S1120E 15 2022031100 106S1120E 15 2022031106 107S1115E 20 2022031112 107S1109E 20 2022031118 108S1103E 25 2022031200 108S1097E 25 2022031206 108S1089E 25 2022031212 110S1077E 25 2022031218 113S1070E 20 2022031300 119S1061E 25 2022031306 127S1053E 25 2022031312 133S1043E 30 2022031318 136S1033E 35 2022031400 143S1022E 45 2022031406 154S1008E 50 2022031412 163S 998E 60 2022031412 163S 998E 60 2022031418 167S 988E 60 2022031418 167S 988E 60 2022031500 169S 981E 60 2022031500 169S 981E 60 2022031506 170S 972E 55 2022031506 170S 972E 55 NNNN